What is the definition of Psychological Studies?

"Psychological studies are like trying to understand the human mind with a magnifying glass - they get things right sometimes, but they're often a bit wobbly, like trying to make a joke out of a perfectly normal day."

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Now, here's an edgy example sentence using that term: "The psychoanalysts' latest study concluded that the key to unlocking someone's deepest fears was their childhood bedtime story - unless, of course, it was a Harry Potter one."